<template>
  <div class="editable-element-latex" :class="{ 'lock': elementInfo.lock }" :style="{
    top: elementInfo.top + 'px',
    left: elementInfo.left + 'px',
    width: elementInfo.width + 'px',
    height: elementInfo.height + 'px'
  }">
    <div class="rotate-wrapper" :style="{ transform: `rotate(${elementInfo.rotate}deg)` }">
      <div class="element-content" v-contextmenu="contextmenu" @mousedown="$event => handleSelectElement($event)"
        @dblclick="() => openLatexEditor()">
        <svg overflow="visible" :width="elementInfo.width" :height="elementInfo.height" :stroke="elementInfo.color"
          :stroke-width="elementInfo.strokeWidth" fill="none" stroke-linecap="round" stroke-linejoin="round">
          <g
            :transform="`scale(${elementInfo.width / elementInfo.viewBox[0]}, ${elementInfo.height / elementInfo.viewBox[1]}) translate(0,0) matrix(1,0,0,1,0,0)`">
            <path :d="elementInfo.path"></path>
          </g>
        </svg>
      </div>
    </div>

  </div>
</template>

<script setup lang="ts">
import { defineProps, PropType } from 'vue'
import { PPTLatexElement } from '@/types/slides'
import { ContextmenuItem } from '@/components/Contextmenu/types'
import emitter, { EmitterEvents } from '@/utils/emitter'

const props = defineProps({
  elementInfo: {
    type: Object as PropType<PPTLatexElement>,
    required: true
  },
  selectElement: {
    type: Function as PropType<(e: MouseEvent, element: PPTLatexElement, canMove?: boolean) => void>,
    required: true
  },
  contextmenu: {
    type: Function as PropType<() => ContextmenuItem[] | null>
  }
})

const handleSelectElement = (e: MouseEvent) => {
  if (props.elementInfo.lock) return
  e.stopPropagation()

  props.selectElement(e, props.elementInfo)
}

const openLatexEditor = () => {
  emitter.emit(EmitterEvents.OPEN_LATEX_EDITOR)
}
</script>

<style lang="scss" scoped>
.editable-element-latex {
  position: absolute;

  &.lock .element-content {
    cursor: default;
  }
}

.rotate-wrapper {
  width: 100%;
  height: 100%;
}

.element-content {
  width: 100%;
  height: 100%;
  position: relative;
  cursor: move;

  svg {
    transform-origin: 0 0;
    overflow: visible;
  }
}
</style>